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Home » Products » LVDT » DC LVDT » General Purpose DC LVDT

General Purpose DC LVDT

General Purpose DC LVDT
General Purpose DC LVDT
Product Code : DC-EC
Product Description

The DC-EC Series DC operated LVDTs combine a computer-designed AC LVDT with custom integral signal conditioning to achieve premium performance. Operating on a nominal +15VDC supply, the DC-EC Series delivers an extremely linear, low noise, yet high frequency response +10VDC output.

Innovative design and manufacturing techniques further enhance the DC-EC performance and cost efficiency. The micro-miniature components employed were meticulously selected for maximum stability and thermal performance. Vacuum encapsulation of all elements affords excellent shock and vibration tolerance, while double magnetic shielding provides the utmost protection from stray fields.

Like in most of our LVDTs, the DC-EC windings are vacuum impregnated with a specially formulated, high temperature, flexible resin, and the coil assembly is potted inside its housing with a two-component epoxy. This provides excellent protection against hostile environments such as high humidity, vibration and shock. Available in a variety of stroke ranges from ±0.05 to ±10 inches, the DC-EC Series can be configured with a number of standard options including metric threaded core, guided core and small diameter/low mass core.

Captive core option: The DC-EC features an optional captive core design (available for most models) that greatly simplifies installation. The core rod and bearing assembly includes a Bronze bearing on the front end for self-alignment, while a PTFE sleeve allows low-friction travel through the stainless steel boreliner (spool tube). The core rod and the bearing assembly are both field serviceable.

Also see our other LVDTs with built-in signal conditioning: DC-SE (single-ended DC voltage), HCD (Hermetically sealed, +DC voltage), HC-485 (RS485 digital output), and the HCT-IS (Intrinsically safe, 4-20mA, 2-wire loop).

FEATURES :

  • Bi-polar DC operation
  • Shock and vibration tolerant
  • Captive core option (available on select models)
  • AISI 400 Series stainless steel housing
  • CE compliant
  • Calibration certificate supplied with each unit

APPLICATIONS :

  • Materials testing
  • Z-axis position feedback for punch-presses
  • Microscope X-Y stage position control
  • Medical imaging
  • Automotive suspension testing
  • Flight simulators

Performance Specifications :

Parameter

DC- EC 050

DC- EC 125

DC- EC 250

DC- EC 500

DC- EC 1000

DC- EC 2000

DC- EC 3000

DC- EC 5000

DC- EC 10000

Stroke range

+0.050 (+1.27)

+0.125 (+3.17)

+0.25 (+6.35)

+0.5 (+12.7)

+1 (+25.4)

+2(+50.8)

+3 (+76.2)

+59 (+127)

+10 (+254)

Sensitivity, VDC/inch

200

80

40

20

10

5

3.3

2.0

1.0

Sensitivity, VDC/mm

7.9

3.15

1.6

0.79

0.39

0.20

0.13

0.079

0.039

Frequency response Hertz @-3dB

500

500

500

200

200

200

200

200

200

Input voltage

+15VDC

Input current

+25mA

Output at stroke ends

+10VDC (Positive and increasing when the core is displaced from null position towards the cable)

Non-linearity

+0.25% of FR, maximum

Output ripple

25mVRMS, maximum

Stability

0.125% of FSO

Output impedance

1 Ohm

Environmental Specifications & Materials

Operating temperature

+32oF to +160oF [0oC to 70oC]

Survival temperature

-65oF to +200oF [-55oC to 95oC]

Shock survival

250 g (11ms half-sine)

Vibration tolerance

10 g up to 2kHz

Housing material

AISI 400 Series stainless steel

Electrical connection

Cable with 4 conductors, 28AWG stranded copper, braided shield and polyurethane jacket, 39 inches [1 meter] long


JUPITER INTEGRATED SENSOR SYSTEMS PVT. LTD.